Denshi Jisho — Online Japanese dictionary

さん 1: frame (i.e. of a sliding door);
2: crosspiece; bar;
3: sliding wooden bolt (for holding a door or window shut);
4: rung (of a ladder)
Noun 
えつり 1: (Abbreviation) sheathing (under thatched roofing);
2: lath (used as a foundation for a mud plaster wall);
3: decorative rafters (of alternating wood and bamboo)
Noun 
かけはし 1: suspension bridge; viaduct; temporary bridge;
2: mediation; go-between
Noun 
窓の まどのさん window frame; window sill
Expression 
障子の しょうじのさん frame of a shoji (paper sliding-door)
Noun 

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